And then you have other issues like networks that arbitrarily set DF on all packets passing through them. That burnt a good three days of my life back in the day.
-Blake On Tue, Aug 27, 2013 at 9:33 AM, <valdis.kletni...@vt.edu> wrote: > On Tue, 27 Aug 2013 00:34:57 -0700, Owen DeLong said: > > That's a lot of questions he didn't ask. > > This isn't your first rodeo. You should know by now that the question > actually asked, the question *meant* to be asked, and the question that > actually needed answering are often 3 different things. > > > If I send a packet out as a legitimate series of fragments, what is the > chance > > that they will get dropped somewhere in the middle of the path between > the > > emitting host and the receiving host? > > > To my thinking, the answer to that question is basically "pretty close > to 0 and > > if that changes in the core, very bad things will happen." > > Saku Ytti and Emile Aben have numbers that say otherwise. And there must > be a significantly bigger percentage of failures than "pretty close to 0", > or Path MTU Discovery wouldn't have a reputation of being next to useless. >